Spleen Quiz

1. Which of the following statements regarding the anatomy of the spleen is FALSE? a. The spleen is surrounded by a fibrous capsule. b. The spleen is a retroperitoneal organ. c. The spleen is located in the left hypochondrium. d. The spleen lies posterior to the stomach.

B. The spleen is a retroperitoneal organ.

9. Leukocytosis is the typical response to which of the following conditions? a. lupus erythematosus b. chemotherapy c. bacterial infection d. hemorrhage

C. bacterial infection

2. Which of the following ligaments does NOT help stabilize the spleen? a. falciform ligament b. lienorenal ligament c. gastrosplenic ligament d. phrenicocolic ligament

a. Falciform ligament

8. Which of the following statements regarding the function of the red pulp is FALSE? a. The red pulp is responsible for erythropoiesis throughout our lives. b. In cases of severe hemorrhage, the red pulp may release its reservoir into the bloodstream. c. Red pulp is responsible for the removal of worn-out red blood cells. d. The red pulp removes defective cells such as sickle and thalassemic cells from circulation,

a. The red pulp is responsible for erythropoiesis throughout our lives.

14. While enlarged tortuous scanning the spleen, you notice multiple vessels in the splenic hilum. Color Doppler confirms that they are vascular in nature. Dilated vessels are also noted within the splenic parenchyma. What is the most likely cause of these findings? a. portal hypertension with collateral varices b. lymphoma with metastases c. splenic rupture with bleeding outside the capsule d. accessory spleen near the splenic hilum

a. portal hypertension with collateral varices

5. While scanning the spleen, you notice a small round mass that appears to be separate from the spleen in the region of the splenic hilum. The echotexture of of the mass is similar to that of the spleen. What is the most likely diagnosis? a. splenic metastases b. accessory spleen c. splenic hemangioma d. ruptured spleen

b. Accessory spleen

1I. What is the normal echogenicity of the spleen? a. heterogeneous b. isoechoic to the liver c. hyperechoic to the liver d. hypoechoic to the liver

b. Isoechoic to the liver

7. A wandering spleen is at an increased risk of acquiring which of the following conditions? a. splenic rupture b. torsion and infarction c. splenomegaly d. leukemia and lymphoma

b. Torsion and infarction

3. The spleen is considered enlarged when its length greater than what measurement? a. 9 cm b. 11 cm с. 13 сm d. 15 cm

c. 13 cm

20. Which of the following may cause a smallI, shrunken spleen? a. mononucleosis b. acquired immunodeficiency syndrome c. sickle cell anemia d. portal hypertension

c. Sickle cell anemia

16. Which of the following is NOT included as a focal lesion of the spleen? a. cysts b. infarcts c. splenomegaly d. granulomas

c. Splenomegaly

10. What is leukopenia? a. a normal finding b. the result of severe inflammation c. frequently a side effect of chemotherapy d. an increase in the number of white blood cells in circulation

c. frequently a side effect of chemotherapy

12. What is the most common sonographically visualized abnormality of the spleen? a. splenic rupture b. splenic abscess c. splenomegaly d. lymphoma

c. splenomegaly

4. The splenic artery branches off which artery to supply blood to the spleen? a. aorta b. superior mesenteric c. pancreatic d.celiac axis

d. Celiac axis

15. Sonographically what is the splenic echogenicity when splenomegaly occurs? a. Does not change b. Always becomes more hypoechoic. c. Always becomes more hyperechoic. d. Could be hyperechoic or hypoechoic but does correlate with the cause of the enlargement

d. Could be hyperechoic or hypoechoic but does correlate with the cause of the enlargement

19. Splenic calcifications usually result from which disease? a. splenomegaly b. lymphocytic c. angiosarcomas d. granulomatous

d. Granulomatous

13. What is the most common cause of splenomegaly? a. mononucleosis b. lymphoma c. sickle cell anemia d. portal hypertension

d. Portal hypertension

17. A patient with sickle cell disease presents for an abdominal sonogram complaining of recent left upper quadrant pain. A hypoechoic wedge shaped lesion is seen in the spleen. What is this typical of? a. lymphoma b. splenic rupture c. splenomegaly d. splenic infarct

d. Splenic infarct

6. While performing an abdominal sonography, you are having difficulty locating the spleen in its normal location in the left upper quadrant. As you scan the entire left side, you locate what appears to be the spleen in the left lower quadrant. What is the most likely explanation for this finding? a. asplenia b. accessory spleen c. situs inversus d. wandering spleen

d. Wandering spleen

18. A 10-year-old patient presents for an abdominal sonogram following blunt abdominal trauma that occurred during a bicycle accident. Which of the following would be an unusual finding in this patient? a. subcapsular hematoma b. free fluid in the peritoneum c. hematoma within the splenic parenchyma d. varices in the splenic hilum

d. varices in the splenic hilum